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    "# T1056.003 - Web Portal Capture",
    "\n",
    "Adversaries may install code on externally facing portals, such as a VPN login page, to capture and transmit credentials of users who attempt to log into the service. For example, a compromised login page may log provided user credentials before logging the user in to the service.\n\nThis variation on input capture may be conducted post-compromise using legitimate administrative access as a backup measure to maintain network access through [External Remote Services](https://attack.mitre.org/techniques/T1133) and [Valid Accounts](https://attack.mitre.org/techniques/T1078) or as part of the initial compromise by exploitation of the externally facing web service.(Citation: Volexity Virtual Private Keylogging)"
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   "source": [
    "## Atomic Tests:\nCurrently, no tests are available for this technique."
   ]
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   "source": [
    "## Detection",
    "\n",
    "File monitoring may be used to detect changes to files in the Web directory for organization login pages that do not match with authorized updates to the Web server's content."
   ]
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